321243421421301 has 64 divisors (see below), whose sum is σ = 453878133350400. Its totient is φ = 201698211331584.

The previous prime is 321243421421297. The next prime is 321243421421303. The reversal of 321243421421301 is 103124124342123.

It is not a de Polignac number, because 321243421421301 - 2² = 321243421421297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321243421421303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12061843081 + ... + 12061869713.

It is an arithmetic number, because the mean of its divisors is an integer number (7091845833600).

Almost surely, 2^{321243421421301} is an apocalyptic number.

It is an amenable number.

321243421421301 is a deficient number, since it is larger than the sum of its proper divisors (132634711929099).

321243421421301 is a wasteful number, since it uses less digits than its factorization.

321243421421301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36770.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 321243421421301 its reverse (103124124342123), we get a palindrome (424367545763424).

The spelling of 321243421421301 in words is "three hundred twenty-one trillion, two hundred forty-three billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred one".